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Gas control valve 840 SIGMA (0.840.031)
The gas control valve 840 SIGMA (0.840.031) is designed for reliable gas supply and management in heating systems and industrial installations. This multifunctional valve is equipped with two automatic valves and a regulating device, ensuring precise pressure adjustment. The 840 SIGMA gas valve is used in infrared burners and other devices where stable and safe gas supply is required.
Technical specifications:
- Type: Gas control valve
- Model: 840 SIGMA
- Connections: Rp 1/2" or flanged
- Pressure adjustment range: 2–50 mbar
- Maximum inlet gas pressure: 60 mbar
- Operating temperature: 0–60 °C (upon request -20 °C)
Features:
- Two automatic valves (EV1 and EV2) for precise gas flow control.
- Pressure regulator with servo control class B, providing high accuracy.
- Built-in filters to protect against contamination at the gas inlet and outlet.
- Ports for measuring inlet and outlet pressure, facilitating diagnostics.
- High level of electrical protection: IP 40, making it resistant to external influences.
Application:
The 840 SIGMA valve is used in various systems, including infrared burners and heating systems that require reliable and adjustable gas supply. It is suitable for use in both residential and industrial gas installations.
How to choose the right product:
When selecting the 840 SIGMA gas control valve, ensure the following:
- Check that the valve meets the technical requirements of your device (maximum pressure, adjustment range).
- Ensure that the connection type (Rp 1/2" or flanged) is compatible with your system.
- Pay attention to the operating temperature and conditions to avoid damage during use.
Possible causes of malfunctions and prevention methods:
Common causes of gas valve failure may include:
- Filter contamination: regularly check and clean filters to ensure stable operation.
- Pressure fluctuations: monitor proper pressure settings to avoid damage.
- Seal wear: use the valve within the recommended temperature and pressure ranges.
To prevent wear, regular maintenance and inspection of the valve's condition are recommended.
Difficulty of part replacement:
Replacing the 840 SIGMA gas valve requires qualified skills and should only be performed by an experienced professional. The process includes the following steps:
- Disconnect the gas and power supply to the device.
- Remove the old valve by carefully disconnecting all connections.
- Install the new valve, following the manufacturer's instructions.
- Check the tightness of the connections and the correctness of the installation.
- Turn on the gas and check the valve's functionality.
Replacement difficulty assessment: medium. It is recommended to consult professionals for this procedure.